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The equation of the tangent at the point...

The equation of the tangent at the point (0, 3) on the circle which cuts the circles `x^(2)+y^(2)-2x+6y=0`,
`x^(2)+y^(2)-4x-2y+6=0` and
`x^(2)+y^(2)-12x+2y+3=0` orthogonally is

A

y = 3

B

x = 0

C

`3x+y-3=0`

D

`x+3y-9=0`

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The correct Answer is:
A
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